feat(apitest): 新增 API 测试环境与安全配置

- 新增 apitest 专用 MySQL 配置与 Docker 编排（docker/apitest-mysql.yml、docker/apitest-mysql/）

- 增加 ApiTestSecurityConfig / ApiTestSecurityProperties 与 ApiTestAuthenticationFilter

- 新增 application-apitest.yml 与相关测试目录（play-admin/src/test/java/com/starry/admin/api/）

- 调整根 pom 与 play-admin/pom 依赖，优化 SpringSecurityConfig 以兼容 apitest

play-admin/pom.xml

@@ -16,6 +16,7 @@
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <spring.profiles.active>test</spring.profiles.active>
     </properties>
 
     <dependencies>
@@ -173,6 +174,22 @@
             <artifactId>json-path</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.junit.vintage</groupId>
+                    <artifactId>junit-vintage-engine</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.security</groupId>
+            <artifactId>spring-security-test</artifactId>
+            <scope>test</scope>
+        </dependency>
 
     </dependencies>
 
@@ -203,6 +220,9 @@
                 <version>3.0.0-M7</version>
                 <configuration>
                     <useSystemClassLoader>false</useSystemClassLoader>
+                    <systemPropertyVariables>
+                        <spring.profiles.active>${spring.profiles.active}</spring.profiles.active>
+                    </systemPropertyVariables>
                 </configuration>
             </plugin>
             <plugin>